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Vice President and Head of Global PR, Corporate, and Internal Communications Lorain Wong -- who was in charge revitalizing of thestruggling company's image -- resigned for personal reasons, HTC Chief Marketing Officer Ben Ho told Bloomberg. She will stay on as a consultant for three to four months.

Wong, a former employee of AT&T and CBS Evening News, started working for the HTC in June.

Her resignation marks another departure for the company which lost several executives in recent months, including Chief Operating Officer Matthew Costello, who left in June, and HTC Asia CEO Lennard Hoornik, who left in May.